CN214947876U

CN214947876U - Portable teaching projecting apparatus rack

Info

Publication number: CN214947876U
Application number: CN202022889700.4U
Authority: CN
Inventors: 孙牧
Original assignee: Shandong Polytechnic College
Current assignee: Shandong Polytechnic College
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-11-30
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a portable teaching projecting apparatus rack, include: the projector comprises a placing table, a supporting rod, a base, a projector, a first limiting plate, a second limiting plate and a driving mechanism; the bottom of the placing table is provided with a supporting rod, the supporting rod is vertically movably arranged on the base, and the lower surface of the base is provided with a roller; the placing table is provided with a plurality of separating ribs extending along the front-back direction, and the plurality of separating ribs are spaced along the left-right direction; the projector is placed on the placing table, wherein the projector is positioned above the separating ribs; the left side of projecting apparatus is located to first limiting plate, and the right side of projecting apparatus is located to the second limiting plate, and actuating mechanism locates and places the bench, and actuating mechanism links to each other with first limiting plate and second limiting plate, and actuating mechanism is used for driving first limiting plate and second limiting plate move in opposite directions in order to press from both sides tight projecting apparatus or back of the body removal in order to loosen the projecting apparatus. The device is used for placing the projector, not only can firmly fix the projectors with different widths, but also can realize the adjustment of the height of the projectors.

Description

Portable teaching projecting apparatus rack

Technical Field

The utility model belongs to the technical field of the teaching articles for use and specifically relates to a portable teaching projecting apparatus rack is related to.

Background

With the development of computers and projection technologies, multimedia teaching has been widely popularized, and particularly, projectors are beginning to be widely applied to teaching activities in colleges and universities, projectors are also called projectors, which are devices capable of projecting images or videos onto a curtain, and can be connected with computers, VCDs, DVDs, BDs, game machines, DVs, and the like through different interfaces to play corresponding video signals.

In colleges and universities, because some classrooms do not have the projectors installed in advance, therefore need the teacher to carry the projector and teach, and the projector that carries often can only be put on the desk owing to lack corresponding rack, not only lays inconveniently, and inconvenient the projecting apparatus that moves up and down in order to adjust projection range in addition has the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses a first aim at provides a portable teaching projecting apparatus rack.

The technical scheme of the utility model as follows: a mobile teaching projector rack, comprising: the projector comprises a placing table, a supporting rod, a base, a projector, a first limiting plate, a second limiting plate and a driving mechanism; the bottom of the placing table is provided with the supporting rod, the supporting rod is vertically movably mounted on the base, and the lower surface of the base is provided with rollers; the placing table is provided with a plurality of separating ribs extending along the front-back direction, and the plurality of separating ribs are spaced along the left-right direction; the projector is placed on the placing table, wherein the projector is positioned above the separating ribs; the projector comprises a projector body, a first limiting plate, a second limiting plate, a driving mechanism, a first limiting plate, a second limiting plate and a clamping plate, wherein the first limiting plate is arranged on the left side of the projector body, the second limiting plate is arranged on the right side of the projector body, the driving mechanism is arranged on a placing table, the driving mechanism is connected with the first limiting plate and the second limiting plate, and the driving mechanism is used for driving the first limiting plate and the second limiting plate to move oppositely to clamp the projector body or move oppositely to loosen the projector body.

Further, the base comprises a sleeve, a plurality of limiting holes spaced along the vertical direction are formed in the sleeve, a spring fastener is arranged on the supporting rod and inserted into the sleeve, the spring fastener is located in one of the limiting holes, and the spring fastener can be pressed to be separated from the corresponding limiting hole.

Further, the base still includes first connecting plate and second connecting plate, telescopic bottom fixedly connected with first connecting plate, first connecting plate extends along controlling the direction, both ends difference fixedly connected with about first connecting plate the second connecting plate, the second connecting plate extends along the fore-and-aft direction, both ends are equipped with respectively around the lower surface of second connecting plate the gyro wheel.

Further, the driving mechanism comprises a screw and a motor, the screw is rotatably connected with the placing table, the screw is provided with a first rod section and a second rod section, the rotating direction of the external thread on the first rod section is opposite to that of the external thread on the second rod section, and the motor is connected with the screw to drive the screw to rotate; the first limiting plate is provided with a first threaded hole, the second limiting plate is provided with a second threaded hole, the first threaded hole is in threaded fit with the first rod section, and the second threaded hole is in threaded fit with the second limiting plate.

Furthermore, the surface of the first limiting plate close to the projector and the surface of the second limiting plate close to the projector are both provided with flexible pads.

Furthermore, the placing table comprises a first table plate and a second table plate, the first table plate is horizontally arranged, the supporting rod is arranged on the lower surface of the first table plate, the second table plate is arranged on the rear surface of the first table plate and is perpendicular to the first table plate, the separating ribs are arranged on the upper surface of the first table plate, and the driving mechanism is arranged on the second table plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) place the platform bottom and be equipped with the bracing piece, but the bracing piece is installed on the base with vertical removal, and the lower surface of base is equipped with the gyro wheel, but the gyro wheel of setting makes things convenient for the device to remove to be convenient for the transport of projecting apparatus or the adjustment of projection position, but the bracing piece base vertical movement relatively, thereby can reciprocate through reciprocating the bracing piece and place the platform, and then lay when placing the bench when the projecting apparatus, the high position of adjustable projecting apparatus.

(2) The placing table is provided with a plurality of separating ribs extending in the front-back direction, the plurality of separating ribs are spaced in the left-right direction, the projector is placed on the placing table, and the projector is located above the separating ribs. The partition muscle that sets up can improve the structural strength who places the platform on the one hand, and on the other hand can make the projecting apparatus spaced apart with the diapire of placing the platform to reduce the area of contact of projecting apparatus with place the platform, guarantee the radiating effect of projecting apparatus self.

(3) Actuating mechanism is used for driving first limiting plate and second limiting plate and removes in opposite directions in order to press from both sides tight projecting apparatus or move back to back in order to loosen the projecting apparatus, can realize fixing and taking off of projecting apparatus from this, and the projecting apparatus of different width sizes can be fixed to this kind of mode, and accommodation is wide, and the practicality is strong.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work:

fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a perspective view of the present invention;

fig. 5 is a perspective view of the placement table of the present invention.

Reference numerals:

1. a placing table; 2. a projector; 3. a support bar; 4. a base; 5. a first limit plate; 6. a second limiting plate; 7. a roller; 8. separating ribs; 9. a sleeve; 10. a limiting hole; 11. a spring buckle; 12. a first connecting plate; 13. a second connecting plate; 14. a screw; 15. a motor; 16. a first platen; 17. a second platen.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

A mobile teaching projector 2 rack according to an embodiment of the present invention is described below with reference to fig. 1 to 5 of the drawings. The device includes: place platform 1, bracing piece 3, base 4, projecting apparatus 2, first limiting plate 5, second limiting plate 6 and actuating mechanism.

As shown in fig. 1, a support rod 3 is provided at the bottom of the placing table 1, the support rod 3 is vertically movably mounted on a base 4, and a roller 7 is provided on the lower surface of the base 4. The gyro wheel 7 that sets up can make things convenient for the device to remove to be convenient for the transport of projecting apparatus 2 or the adjustment of projection position, and 4 vertical removal of base relatively of bracing piece 3, thereby can reciprocate through reciprocating bracing piece 3 and place platform 1, and then lay when placing platform 1 when projecting apparatus 2, the high position of adjustable projecting apparatus 2.

As shown in fig. 1, 2 and 3, the placing table 1 is provided with a plurality of partition ribs 8 extending in the front-rear direction, the partition ribs 8 are spaced apart in the left-right direction, the projector 2 is placed on the placing table 1, and the projector 2 is located above the partition ribs 8. The partition muscle 8 that sets up can improve the structural strength who places platform 1 on the one hand, and on the other hand can make projecting apparatus 2 and the diapire of placing platform 1 spaced apart to reduce projecting apparatus 2 and the area of contact of placing platform 1, guarantee projecting apparatus 2 self radiating effect.

As shown in fig. 4 and 5, the first limiting plate 5 is arranged on the left side of the projector 2, the second limiting plate 6 is arranged on the right side of the projector 2, the driving mechanism is arranged on the placing table 1, the driving mechanism is connected with the first limiting plate 5 and the second limiting plate 6, and the driving mechanism is used for driving the first limiting plate 5 and the second limiting plate 6 to move oppositely so as to clamp the projector 2 or move back to back so as to loosen the projector 2. Can realize fixed and the taking off of projecting apparatus 2 from this, projecting apparatus 2 of different width sizes can be fixed to this kind of mode, and accommodation is wide, and the practicality is strong.

In this embodiment, as shown in fig. 3, the base 4 includes a sleeve 9, the sleeve 9 is provided with a plurality of limiting holes 10 spaced apart in the vertical direction, the support rod 3 is provided with a spring fastener 11, the support rod 3 is inserted into the sleeve 9, the spring fastener 11 is located in one of the limiting holes 10, and the spring fastener 11 can be pressed to separate from the corresponding limiting hole 10. Thereby, the up-and-down adjustment and fixation of the support rod 3 can be realized.

In this embodiment, as shown in fig. 1, the base 4 further includes a first connecting plate 12 and a second connecting plate 13, the bottom end of the sleeve 9 is fixedly connected with the first connecting plate 12, the first connecting plate 12 extends along the left-right direction, the left end and the right end of the first connecting plate 12 are respectively fixedly connected with the second connecting plate 13, the second connecting plate 13 extends along the front-back direction, and the front end and the rear end of the lower surface of the second connecting plate 13 are respectively provided with the roller 7. Therefore, the base 4 is simple in structural form, high in structural strength, not easy to damage and capable of better supporting the placing table 1.

In this embodiment, as shown in fig. 1 and 2, the placement table 1 includes a first table plate 16 and a second table plate 17, the first table plate 16 is disposed horizontally, the support rod 3 is disposed on the lower surface of the first table plate 16, and the second table plate 17 is disposed on the rear surface of the first table plate 16 and perpendicular to the first table plate 16, thereby defining a substantially L-shaped placement table 1, and the placement table 1 in this configuration is high in structure, not easily damaged, and convenient for placement of the projector 2, wherein the upper surface of the first table plate 16 is provided with the partition ribs 8, and the driving mechanism is disposed on the second table plate 17.

In this embodiment, as shown in fig. 4 and 5, the driving mechanism includes a screw 14 and a motor 15, the screw 14 is rotatably connected to the placing table 1, the screw 14 has a first rod section and a second rod section, the direction of rotation of the external thread on the first rod section is opposite to the direction of rotation of the external thread on the second rod section, and the motor 15 is connected to the screw 14 to drive the screw 14 to rotate; be equipped with first screw hole on the first limiting plate 5, be equipped with the second screw hole on the second limiting plate 6, first screw hole and first pole section screw-thread fit, second screw hole and 6 screw-thread fit of second limiting plate.

Because the rotation direction of the external screw thread on the first pole section is opposite to the rotation direction of the external screw thread on the second pole section, the rotation direction of the internal screw thread of the first threaded hole is opposite to the rotation direction of the internal screw thread of the second threaded hole, so that when the screw 14 rotates, the movement in the opposite direction of the first limiting plate 5 and the second limiting plate 6 can be realized, the driving form is simple, the strength of the threaded connection is higher, the self-locking performance is realized, and the projector 2 can be firmly clamped and fixed.

Further, the surface of the first limiting plate 5 close to the projector 2 and the surface of the second limiting plate 6 close to the projector 2 are both provided with a flexible pad. The first restriction plate 5 and the second restriction plate 6 can thereby be prevented from generating scratches on the surface of the projector 2.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a portable teaching projecting apparatus rack which characterized in that includes: the projector comprises a placing table, a supporting rod, a base, a projector, a first limiting plate, a second limiting plate and a driving mechanism;

the bottom of the placing table is provided with the supporting rod, the supporting rod is vertically movably mounted on the base, and the lower surface of the base is provided with rollers;

the placing table is provided with a plurality of separating ribs extending along the front-back direction, and the plurality of separating ribs are spaced along the left-right direction;

the projector is placed on the placing table, wherein the projector is positioned above the separating ribs;

the projector comprises a projector body, a first limiting plate, a second limiting plate, a driving mechanism, a first limiting plate, a second limiting plate and a clamping plate, wherein the first limiting plate is arranged on the left side of the projector body, the second limiting plate is arranged on the right side of the projector body, the driving mechanism is arranged on a placing table, the driving mechanism is connected with the first limiting plate and the second limiting plate, and the driving mechanism is used for driving the first limiting plate and the second limiting plate to move oppositely to clamp the projector body or move oppositely to loosen the projector body.

2. The mobile teaching projector placing rack of claim 1 wherein the base comprises a sleeve, the sleeve is provided with a plurality of limiting holes spaced apart in the vertical direction, the support rod is provided with a spring fastener, the support rod is inserted into the sleeve, the spring fastener is located in one of the limiting holes, and the spring fastener can be pressed to disengage from the corresponding limiting hole.

3. The mobile teaching projector placing rack of claim 2, wherein the base further comprises a first connecting plate and a second connecting plate, the first connecting plate is fixedly connected to the bottom end of the sleeve, the first connecting plate extends in the left-right direction, the second connecting plate is fixedly connected to the left end and the right end of the first connecting plate respectively, the second connecting plate extends in the front-back direction, and the rollers are arranged at the front end and the rear end of the lower surface of the second connecting plate respectively.

4. The mobile teaching projector rack of claim 1 wherein the driving mechanism comprises a screw and a motor, the screw is rotatably connected with the placement table, the screw has a first rod section and a second rod section, the direction of rotation of the external thread on the first rod section is opposite to the direction of rotation of the external thread on the second rod section, and the motor is connected with the screw to drive the screw to rotate;

the first limiting plate is provided with a first threaded hole, the second limiting plate is provided with a second threaded hole, the first threaded hole is in threaded fit with the first rod section, and the second threaded hole is in threaded fit with the second limiting plate.

5. The mobile teaching projector placing rack of claim 1 wherein the surface of the first limiting plate close to the projector and the surface of the second limiting plate close to the projector are both provided with a flexible pad.

6. The mobile teaching projector placing rack of claim 1, wherein the placing table comprises a first table plate and a second table plate, the first table plate is horizontally arranged, the supporting rod is arranged on the lower surface of the first table plate, the second table plate is arranged on the rear surface of the first table plate and is perpendicular to the first table plate, the separating ribs are arranged on the upper surface of the first table plate, and the driving mechanism is arranged on the second table plate.